Zhejiang Hengsen Industrial Group Co.,Ltd are a leading, professional exporter of fittings for refrigeration fittings, HVAC controls products, auto airconditioner fittings, copper fittings, and disperse pipes in china. And we have been about 20 years experience. We will provide the best products and service for youFactory Address:Jinling Industry Zone, Ruanshi, Zhuji, Zhejiang, ChinaWe are able to produce all kinds of goods in accordance with your special OEM/ODM requirements.You can send inquiry to Katan for more products information or OEM details, Thanks!